<?php
 if(isset($_COOKIE['cookie_chk'])){ 
 	  setcookie("cookie_chk",null);
      setcookie("cookie_id",null);
      setcookie("cookie_site_id",null);
      setcookie("cookie_login_id",null);
      setcookie("cookie_name",null);
      setcookie("cookie_local_cd",null);
 }
?>